Rotary control knob with flip-up section



FIG. 1 is a top right perspective view of my rotary control knob, shown on an exemplary cooktop of a cooking appliance;

FIG. 2 is an enlarged top right perspective view of the rotary control knob of my design, with a section of the control knob shown in a retracted condition;

FIG. 3 is a top right perspective view of the rotary control knob of FIG. 2, with the section of the control knob shown in an extended condition;

FIG. 4 is a front elevational view of the rotary control knob in its retracted condition;

FIG. 5 is a top plan view of the rotary control knob of FIG. 2;

FIG. 6 is a right elevational view of the rotary control knob in the retracted condition of FIG. 2, with the left elevational view being a mirror image;

FIG. 7 is a rear elevational view of the rotary control knob in the retracted condition of FIG. 2;

FIG. 8 is a bottom plan view of the rotary control knob in the retracted condition of FIG. 2;

FIG. 9 is a front elevational view of the rotary control knob, with the section of the control knob shown in its extended condition;

FIG. 10 is a top plan view of the rotary control knob of FIG. 3;

FIG. 11 is a right elevational view of the rotary control knob in the extended condition of FIG. 3, with the left elevational view being a mirror image;

FIG. 12 is a rear elevational view of the rotary control knob in the extended condition of FIG. 3; and,

FIG. 13 is a bottom view of the rotary control knob in the extended condition of FIG. 3.

The broken lines showing the cooktop in FIG. 1 and the mounting hole in each of FIGS. 8 and 13 are for illustrative purposes only and form no part of the claimed invention. 

The ornamental design for a rotary control knob with flip-up section, as shown and described. 